It's a very exacting science because you have to have the right serial number for each savings-bond buyer.

Patriot bonds (proceeds) don't go directly to support the war on terror. Congress just wanted to issue them in recognition of the war on terror. It was part of the emotional make-up of the country at the time.

There is always that guarantee that if a savings bond is lost or stolen, it can be replaced. And the only way we can do that is to maintain a massive data base to keep track of it all.